The term "Fantail" refers to a type of bird known for its distinctive fan-shaped tail. Commonly found in regions like New Zealand and Australia, these birds are often seen in gardens and parks. They are small, agile, and known for their playful behavior, making them a favorite among birdwatchers. In addition to birds, "Fantail" can also refer to a style of goldfish characterized by a broad, rounded tail that spreads out like a fan. This variety is popular in aquariums due to its unique appearance and graceful swimming style. Both uses of the term highlight the beauty and charm of these creatures.